LIAM P PORTER (MD) – Emergency Medicine Physician, NPI 1801258884
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,232 EMERGENCY MEDICINE in FL
Provider Addresses for LIAM P PORTER (MD)
20900 BISCAYNE BLVD
AVENTURA, FL 331801407
Phone: (305) 682-7000
Type: Location
7260 MIAMI LAKEWAY S
MIAMI LAKES, FL 330142676
Phone: (480) 250-1730
Type: Mailing
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
WORCESTER, MA 016550002
Phone: (508) 421-1400
Fax: (508) 421-1490
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $52.
Total Amount is formed as General ($52) + Research ($0) + Ownership ($0) = $52.
Last reported payment date: 2024-03-19 • Largest payer in this snapshot: PFIZER INC. ($34).
Total Amount
$52
General + Research + Ownership
Payments
3
Total payment records
General Amount
$52
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $34 |
| Janssen Pharmaceuticals, Inc | $19 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-08-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220826000562 | I | Emergency Medicine | FL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 125 | 120 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 42 | 40 | $0 |
| 99291 | Critical care, first 30-74 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 33180)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | FL | |
| Emergency Medicine | FL | |
| Emergency Medicine | TX | |
| Family Practice | GA | |
| Family Practice | CA | |
| Nurse Practitioner | FL | |
| Emergency Medicine | PA | |
| Emergency Medicine | FL | |
| Nurse Practitioner | MA | |
| Emergency Medicine | FL |
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